Johnsson made it 2-0 at 4:50 of the middle period, tucking in his own rebound after an initial wraparound attempt was blocked. Less than eight minutes later, Adam Brooks sent a pass across the crease that Mason Marchment banged home to up the lead to 3-0 at 12:32.

Marlies captain Ben Smith tacked on two power-play goals after Lyon was assessed a match penalty with 10:19 remaining in the game.

Toronto allowed just nine shots on goal over the first two periods and outshot Lehigh Valley 34-16 for the night, extending its winning streak to eight games. Garret Sparks (9-2) needed just 16 saves to notch his second shutout of the postseason.

Lyon (6-4) stopped 23 of 26 shots before his ejection; Dustin Tokarski allowed two goals on eight shots the rest of the way.

Lehigh Valley, which won a league-leading 27 home games during the regular season, has now been outscored 11-0 in its last two games at PPL Center.